136173638530 has 16 divisors (see below), whose sum is σ = 249130788984. Its totient is φ = 53576513280.

The previous prime is 136173638519. The next prime is 136173638543. The reversal of 136173638530 is 35836371631.

It can be written as a sum of positive squares in 4 ways, for example, as 58121012889 + 78052625641 = 241083^2 + 279379^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111617127 + ... + 111618346.

Almost surely, 2^136173638530 is an apocalyptic number.

136173638530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136173638530 is a deficient number, since it is larger than the sum of its proper divisors (112957150454).

136173638530 is a wasteful number, since it uses less digits than its factorization.

136173638530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223235541.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 136173638530 in words is "one hundred thirty-six billion, one hundred seventy-three million, six hundred thirty-eight thousand, five hundred thirty".